While installing a new 3.5-inch SATA hard drive in a desktop computer, a junior technician asks you to confirm the number of pins on each of the two separate SATA connectors so they can inspect the replacement cables before closing the case. How many pins should the technician expect to find on the SATA data connector and on the SATA power connector?
SATA uses two distinct connectors. The narrow data connector carries differential pairs and grounds arranged across 7 pins. The wider power connector supplies 3.3 V, 5 V, 12 V, and grounds across 15 pins. Knowing these counts helps technicians spot damaged or incorrect cables during an installation.
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Why does the SATA power connector have 15 pins?
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What is the reason for the L-shape design in SATA connectors?
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CompTIA A+ 220-1101 (V14)
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